package com.weifangfirecontrolformal.weifangfirecontrolformal.config.cors;

import org.springframework.boot.web.servlet.FilterRegistrationBean;
import org.springframework.context.annotation.Bean;
import org.springframework.context.annotation.Configuration;
import org.springframework.web.cors.CorsConfiguration;
import org.springframework.web.cors.UrlBasedCorsConfigurationSource;
import org.springframework.web.filter.CorsFilter;
import org.springframework.web.servlet.config.annotation.CorsRegistry;
import org.springframework.web.servlet.config.annotation.WebMvcConfigurer;

@Configuration
public class CorsConfigures implements WebMvcConfigurer {
    @Override
    public void addCorsMappings(CorsRegistry registry) {
        // 用户证书验证，
        registry.addMapping("/**").allowedOrigins("*").allowedMethods("POST", "GET", "DELETE", "PUT", "HEAD", "OPTIONS")
                .allowCredentials(false)
                .allowedHeaders(
                        "Content-Type,X-Requested-With,accept,Origin,Access-Control-Request-Method,Access-Control-Request-Headers,Pragma")
                .exposedHeaders(
                        "Access-Control-Allow-Origin,Access-Control-Allow-Headers,Access-Control-Allow-Credentials,Pragma")
                // 最大过期时间
                .maxAge(3600);
    }

    @Bean
    public FilterRegistrationBean corsFilter() {
        System.out.println("join configur");
        UrlBasedCorsConfigurationSource source = new UrlBasedCorsConfigurationSource();
        CorsConfiguration config = new CorsConfiguration();
        config.setAllowCredentials(true);
        // 设置你要允许的网站域名，如果全允许则设为 *
        config.addAllowedOrigin("*");
        // 如果要限制 HEADER 或 METHOD 请自行更改
        config.addAllowedHeader("*");
        config.addAllowedMethod("*");
        source.registerCorsConfiguration("/**", config);
        FilterRegistrationBean bean = new FilterRegistrationBean(new CorsFilter(source));
        // 这个顺序很重要哦，为避免麻烦请设置在最前
        bean.setOrder(0);
        return bean;
    }
}
